LiftMaster SW420 – Swing Gate Operator

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LiftMaster SW420 – Swing Gate Operator

Compact, Modern Solution for Residential Swing Gates

A reliable gear-driven swing gate operator for residential applications, the LiftMaster® SW420 offers a compact design that supports gate lengths up to 12 feet and gate weights up to 300 pounds. Powder-coated weather-resistant steel enclosure and a high-starting torque motor with built-in overload protection ensure strong, dependable performance. This model is ideal for residential installations and is UL325 compliant

  • Built-in radio receiver
  • Inherent obstruction sensing
  • External obstruction sensing
  • Advanced dual gate operation
  • Sequenced access management
  • Digital logic control
  • LED indicators
  • Warning device
  • Loop detector inputs
  • Timer to close
  • Maximum run timer
  • Emergency stop button
  • Maglock control
  • Gear drive reduction
  • Control inputs
  • Radio control
  • Limit settings
  • Surge & spike protection
  • Quick-release disconnect
  • Fold-down access door


  • 2 year  warranty